2Zhan F B，J Geographic Information Decision Analysis，1997年，1卷，1期，69页
3严蔚敏，数据结构，1997年
4卢开澄，图论及其应用（第2版），1997年
5李家滢，网络和图的最优化算法，1984年
6严蔚敏 吴伟民.数据结构(第2版)[M].北京:清华大学出版社,1997..
7Dial R B.Algorithm 360:Shortest Path Forest with Topological Ordering[J].Communications ofthe ACM,1969,12:632-633.
8Michael Kuby et al. A minimax method for finding the k best differentiated paths, Geographical Analysis, 1997,29(4):298-313.
9Miller Harbey J, Measuring spacing-time accessibility benefits within transportation networks: Basic theory and computational procedures. Geographical Analysis,1999,31(1):1-26.
10Stefanakes E,Kavouras M.On the determination of the optimum path in space, In Spatial Information theory, A theoretical basis for GIS, In: Proceedings of International Conference COSIT'95. Berlin:Springer,1995:241-257.
